题目内容
【题目】Three young men have been arrested because they were caught ___ an old lady last night.
A. robbed B. to rob C.rob D. robbing
【答案】D
【解析】
试题分析:考查动词的用法。句意:三个年轻人被捕是因为昨天被抓到失去一名老妇。Catch sb doing抓住某人正在做某事,故选D项。
考点 : 考查动词的用法
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